Fujitsu D3446-S ATX Mainboard


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D3446-S based on Intel® C236

Powered by the Intel® C422 Workstation chipset (BasinFalls), quad channel DDR4 2666 R-DIMM & LR-DIMM memory and Intel® Xeon® processors (SKL-W; LGA2066) Designed & approved for 24/7 continuous operation
Board Size ATX: 9.6“ x 12“ (243.8 x 304.8 mm)
Chipset Intel® C236 Express Chipset
4 DIMM Sockets DDR4, max. 64GB, Dual Channel, 2133MHz (CL15) / 2400MHz (CL17), UDIMM,
1.2V/2.5V, 288-pin, ECC (appropriate processor required) / non-ECC.
Effective memory speed depends on installed processor
Processors Intel® Xeon® processor
Intel® Xeon® E3-1200 V5 processor series
Intel® Xeon® E3-1200 V6 processor series (D3446-S2 only)
Intel® Core™ i7 / i5 / i3 – (6th generation) processor series
Intel® Core™ i7 / i5 / i3 – (7th generation) processor series (D3446-S2 only)
Intel® Pentium® / Intel® Celeron® (6th generation) processor series
Intel® Pentium® / Intel® Celeron® (7th generation) processor series (D3446-S2 only)
Socket LGA1151, max. 80W TDP

Power Specification 
ATX- 24 Pin or ATX- 20 Pin + 4 Pin (12V) Power Connector required
Support for Soft-Off Power Supplies
12V and 3.3V Supply Voltage on PCIe Slots
3.3V Auxiliary Supply Voltage on PCIe Slots (Wake-Up Function)
On board CPU Voltage Regulator, 5V / 2A Auxiliary Power
required for USB Wake-Up from Save-to-RAM, Save-to-Disk

modified and adapted by Fujitsu Technology Solutions; Recovery BIOS, SM-BIOS (DMI), BIOS and
CPU Microcode Update, Quick Boot, Logo Boot, Quiet Boot, Plug & Play, Automatic DRAM and
PCIe Configuration, BIOS Support for S.M.A.R.T., Advanced Power Management, ACPI S3/S4,
Wake on time from S5.
Boot support for M.2 Carrier Board D3352-A1 (PCIe-based SSD modules, AHCI/NVME).BIOS integrated HW Diagnostic Tool
Security Features Recovery BIOS, System and BIOS Password, Boot Sequence Control, Serial-/ Parallel-/ USB- Port
Access, Boot Sector Virus Warning, Write Protection for Flash BIOS, EraseDisk0 (BIOS Feature);
TPM V2.0 (Infineon SLB 9665; TCG compliant).
Audio Realtek ALC671, 5.1 Multichannel, High Definition Audio
LAN Intel i219LM / Intel i210 Ethernet Controller with 10/100/1000 MBit/s, iAMT / vPro
Wake-on-LAN (WoL) by interesting Packets, Link Status Change and
Magic Packet™, PXE Support, BIOS MAC Address Display, Teaming Support
Drives 6 x SATA SATA-III; NCQ, AHCI, RAID 0/1/5/10
1 x mSATA (half-/fullsize); SATA-III (shared with one SATA port), incl. USB2.0
Special Features Silent Fan Independent temperature related processor fan and system fan supervision and control
System Guard View and adjust Silent Fan features
Silent Drives Noise reduction for optical and hard disk drives
Recovery BIOS Restores a corrupted BIOS
Desk Update Easy driver update with Drivers&Utilities DVD
Multi Boot Comfortable boot from any boot device
HDD Password Access protection for disk drives
24/7 Operation Mainboard is designed for continuous operation
Boot Watchdog Full supervison of BIOS POST and Boot sequence